Plastic and nonmetallic article shaping or treating: processes – Forming continuous or indefinite length work – Layered – stratified traversely of length – or multiphase...
Reexamination Certificate
2005-04-26
2005-04-26
Tentoni, Leo B. (Department: 1732)
Plastic and nonmetallic article shaping or treating: processes
Forming continuous or indefinite length work
Layered, stratified traversely of length, or multiphase...
C264S211160, C264S211220, C264S211230
Reexamination Certificate
active
06884378
ABSTRACT:
This invention relates to methods for manufacturing super-micro fibers to produce fibers having dimensions of between 0.003-0.0003 denier per filament. The manufacturing methods include the following steps: blending polyamide-polyester mixtures; passing said polyamide-polyester mixtures through single-path and twin-screw extrusion processes; spinning said polyamide-polyester mixtures; melting and dissolving said polyamide-polyester mixtures; and separating polyester compounds from said polyester-polyamide mixtures to form polyamide compound or super-micro fibers.
REFERENCES:
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patent: 417893 (1966-04-01), None
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patent: 177413 (1992-01-01), None
Johnson Lin & Associates
Johnson, Esq. Chauncey B
Nan Ya Plastics Corporation
Tentoni Leo B.
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